Unofficial PetaPixel BotMay 5
The History of Autofocus: From Rangefinders to AI Subject Recognition https://petapixel.com/2026/05/05/the-history-of-autofocus-from-rangefinders-to-ai-subject-recognition/ #dualpixelautofocus #contrastdetection #minoltamaxxum7000 #onsensorautofocus #linearautofocus #canoncanoneos1 #phasedetection #compactcamera #konicaminolta #panasonicdfd #polaroidsx70 #steppermotor #Educational #canoneos650 #manualfocus #rangefinder #Technology #micromotor #mirrorless #screwdrive #autofocus #konicac35 #konica
The History of Autofocus: From Rangefinders to AI Subject Recognition

Autofocus is one of the great invisible revolutions in photography. When it works well, it disappears. How it works has changed a lot.

PetaPixel
Unofficial PetaPixel BotJul 3, 2025
The Anatomy of Autofocus: How Cameras and Lenses Achieve Perfect Focus https://petapixel.com/2025/07/03/the-anatomy-of-autofocus-how-cameras-and-lenses-achieve-perfect-focus/ #contrastdetection #depthfromdefocus #hybridautofocus #phasedetection #voicecoilmotor #steppingmotor #Educational #linearmotor #Technology #ultrasonic #autofocus #Guides #Canon #nikon #dpaf #pdaf #Sony #dfd #hsm #ssm #stm #swm #usm #vcm
The Anatomy of Autofocus: How Cameras and Lenses Achieve Perfect Focus

Autofocus systems are engineered to keep subjects sharp, responsive, and accurately rendered. Here's how they do it.

PetaPixel
the phoblographer (unofficial)Sep 9, 2021

The Missing Upgrade in the Ricoh GR IIIx

#news #apsc #autofocus #buildquality #contrastdetection #lens #phasedetection #review #ricoh #ricohgriiix #touchscreen #weathersealing

The Missing Upgrade in the Ricoh GR IIIx

The Ricoh GR IIIx is bringing a brand new lens to the camera in the form of a 40mm equivalent. This should be exciting for sure!

The Phoblographer
diyphotography (unofficial)Jun 23, 2021

Rumour: Panasonic actually going to give the GH6 Phase Detect autofocus

#news #autofocus #filmstudiotakuhi #panasonicgh6 #phasedetection #rumor #rumour

Rumour: Panasonic actually going to give the GH6 Phase Detect autofocus - DIY Photography

Well, this is a bit of a surprise if true. Panasonic has long shunned other autofocus systems in favour of its proprietary “Depth from defocus” system used in its Micro Four Thirds cameras. And while Panasonic might be happy with it, many Panasonic users are not. But now it seems like Panasonic might actually be […]